JPS615881A - Washing machine - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] Industrial applications The present invention relates to a washing machine for general household use.

2. Description of the Related Art Conventionally, in this type of washing machine, a pulsator (2
) was commonly stored.

Problems to be Solved by the Invention In the above configuration, the outer peripheral side wall of the pulsator mounting recess (11)
3) and the outer periphery (4) of the pulsator (2), foreign objects such as coins (5) and hair bottles can easily enter the back side of the pulsator (2), and the water flow caused by the pulsator (2) during washing can cause foreign objects to enter the back side of the pulsator (2). , the intruding coin (5) floats up and gets caught between the pulsator back blade (6) and a corner part (7) of the pulsator mounting recess (1) as shown by the two-dot chain line, and as the pulsator (2) rotates. It rotated with the coin (5) caught in it, scraping a part of the corner (7) of the pulsator mounting recess (1), and eventually creating a hole and causing water to leak from the washing tub.

As a countermeasure to this, it is possible to make the width of the gap so that the fins (5) do not fit into it, but it is impossible to keep the strain and deformation to 0" during the molding of the pulsator (2) and washing tub. During this time, 1liA is the width B of coin (5)
It is extremely difficult to reduce the amount below, and other measures are desired.

Means for Solving the Problems The present invention provides an annular portion (the height of which is lower than the annular peripheral portion of the pulsator mounting recess (hereinafter referred to as the mounting recess) of the washing tub by connecting the peripheral edge of the bottom of the pulsator, the bottom of which is arcuate in cross section. A pulsator annular part (hereinafter referred to as an inner annular part) having a height substantially equal to the height of the annular periphery of the mounting recess is formed inside the outer annular part of the pulsator bottom (hereinafter referred to as an outer annular part). A slightly lower annular stepped portion is formed on the inner edge of the peripheral edge of the mounting recess, one edge is placed in contact with the side surface of the annular stepped portion, and the other edge is placed in contact with the side surface of the annular stepped portion. An annular body having a size such that the tip of the edge reaches the vicinity of the inner annular portion is integrally formed with a cylindrical body on the lower surface that is in inscribed contact with the inner surface of the mounting recess, and an annular rib that is convex on the edge on the upper surface. A separator cover is provided, and the separator cover is mounted between the washing tub and the separator.

Even if the coin enters the gap between the inner edge of the annular body of the working Lusator force bar and the outer annular portion of the pulsator, the tip of the coin abuts the upper surface of the outer annular portion of the pulsator, and further entry is prevented.

Moreover, washing water is discharged from the hole provided in the annular body of the pulsator cover as the pulsator rotates, and an excessive washing load is not applied to the pulsator.

During drainage, the pores act as drainage filters and speed up drainage.

Embodiment FIG. 1 is a longitudinal sectional view of an embodiment of the two-tub washing machine of the present invention.
FIG. 2 is an enlarged sectional view of the main part of the present invention, and FIG. 3 is a partially sectional perspective view of the pulsator cover of the present invention.

The configuration of the two-tub washing machine of the present invention will be explained.

÷恰← In the figure, (8) is a main body made of Japanese cypress, which holds a washing machine (9) inside and is placed on a frame 6I. aD is a mounting recess provided at the center of the bottom of the washing tub, in which the pulsator O3 is rotatably installed. o3 is an annular pulsator cover with a yL-shaped cross section attached to the outer circumferential wall of the mounting recess aυ, and covers the gap between the outer circumference of the pulsator α2, the inner surface of the mounting recess θυ, and the pulsator 02. I is a metal case that rotatably supports the pulsator t12, and an impeller pulley is attached to the lower end. Q[9 is a motor, and its rotation is transmitted between a motor pulley 0 seconds attached to the motor shaft aη and an impeller pulley α9 via a V-belt a field.

@ In FIG. 2 and FIG. 3, the pulsator cover t13 and the pulsator (IX5) will be explained in more detail.

The periphery of the bottom of the arc-shaped pulsator in the h-plane is connected to the washing tub (9).
The pulsator mounting recess (hereinafter referred to as the mounting recess) is formed in the annular part (hereinafter referred to as the outer annular part) (12-a) lower than the height of the annular peripheral part (9-1) of aD, and the outer annular part at the bottom of the pulsator. On the inside of (+2-a), a pulsator annular portion (hereinafter referred to as the internal annular portion) (12-b) having a height approximately equal to the height of the annular peripheral edge portion (9-1) of the mounting recess (9-1) is formed to attach the pulsator Q7J. On the other hand, the mounting recess αυ
A slightly lower annular step (9-1) is formed on the inner edge of the peripheral edge, one edge is placed in contact with the side surface of the annular step (9-b), and the other edge The tip is the inner annular part (12-b
) nearby (for example, the gap is slightly larger than the thickness of a coin).
A cylindrical body (13-c) whose lower surface is in inscribed contact with the side wall (11--) of the mounting recess 0υ is attached to the annular body (13-c) having a size reaching
-e) and an annular rib (13-b) convex on the edge on the top surface.
A separator cover 02 is formed integrally with the separator cover 02, and a cylindrical body (13-θ) is attached to the mounting recess αυ.
while fitting the annular body (13-c) into the annular step part (9
-b) and attach it.

The operation of the two-tub washing machine of the present invention will be explained.

Foreign objects such as coins υ contained in the laundry are moved to the vicinity of the pulsator α2 by the washing water flow. At that time, the coin 011 that moved at the bottom of the washing tub (9)
hits the annular rib (13-b) of the pulsator cover H, preventing smooth movement of the pulsator a7J to the center. As shown in the two-dot chain line in FIG.
) Even if the coin 1211 gets into the space between the coin 1211 and the nearby part, the coin 1211 hits the pulsator outer annular part (12-a), is prevented from entering further, and does not get into the back side of the pulsator az. Therefore, the fin + 21) is sandwiched between the back of the Parseni 05 and the washing tub (9), and the washing tub (
9) will not cause water leakage by drilling holes. In addition, washing water is discharged from the hole (13-a) provided in the annular body (13-c) of the pulsator cover 03 by the rotation of the pulsator O3, and the washing water is washed so that an excessive washing load is not applied to the pulsator U. It pushes objects upward, prevents the pulsator from stopping, and helps flip the laundry upside down, improving washing performance.

Moreover, during drainage, the holes (13-a) act as a drainage filter, increasing the drainage speed. On the other hand, the back cylindrical body (13-e) of the fin-like body (13-c) is in contact with the side wall (11-a) of the mounting recess Qυ, reinforcing the mounting recess 01.

Effects of the Invention As is clear from the above embodiments, the washing machine of the present invention has the following features:
By providing a pulsator cover that covers the outer periphery of the pulsator, it reliably prevents foreign objects such as coins from entering the back of the pulsator, and also prevents excessive loads from being applied to the pulsator, improving washing performance and shortening drainage time. It produces great practical effects.

2 is an enlarged sectional view of a main part of the present invention, FIG. 3 is a partial sectional perspective view of the present invention, and FIG. 4 is an enlarged sectional view of a main part of a conventional example.

Claims (1)

[Claims] The periphery of the bottom of the pulsator, which has an arc-shaped bottom section, is an annular part (hereinafter referred to as the outer circumferential annular part) that is lower in height than the annular periphery of the pulsator mounting recess (hereinafter referred to as the mounting recess) of the washing tub.
and a pulsator annular part (hereinafter referred to as an inner annular part) having a height substantially equal to the height of the annular peripheral part of the mounting recess is formed inside the outer peripheral annular part of the pulsator bottom, and the pulsator is constructed by: A slightly lower annular stepped portion is formed on the inner edge of the peripheral edge of the mounting recess, one edge is placed in contact with the side surface of the annular stepped portion, and the tip of the other edge is located near the inner annular portion. A separator cover integrally formed with a cylindrical body on the lower surface that is in internal contact with the inner surface of the mounting recess and an annular rib that is convex on the end edge on the upper surface is provided on the annular body of a size reaching . A washing machine installed between the washing tub and the separator.